You can search for the Black River NB postal codes by its streets and block numbers

Black River Area Code is 506 and Time Zone is Atlantic (GMT -04:00).

Black River Postal Code - New Brunswick

Black River Postal Code is a six-character string that forms part of a postal address in Canada. Like British and Dutch postcodes, Black River - NB postal codes are alphanumeric.

The first three characters (alpha-numeric-alpha) of the postal code which represent a geographic area in Black River

.

The last three characters denote a Black River local delivery unit (LDU). An LDU denotes a specific single Black River address or range of addresses, which can correspond to an entire small town, a significant part of a medium-sized town, a single side of a city block in larger cities, a single large building or a portion of a very large one, a single (large) institution in Black River, New Brunswick, such as a university or a hospital, or a business that receives large volumes of mail on a regular basis

If you want to send a mail to Black River City, you should use the corresponding Postal Code.